Granted Patent
Utility
US 4,801,923 · App. 06/633,024
Method and apparatus for digital TACAN output conversion
Inventors:
Robert Schwartz, Frederick G. Reinagel
Patented Case
View Patent ↗
Granted: Jan 31, 1989
Filed: Jul 20, 1984
Inventors
Robert Schwartz
Frederick G. Reinagel
Assignee (at issue)
LTV Aerospace and Defense Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.